TS4975EIJT Datasheet

IC型號(hào)：
TS4975EIJT
PDF描述：
Stereo Headphone Drive Amplifier with Digital Volume Control...
文件大?。?/label>
749.77KB
PDF頁數(shù)：
33頁
芯片廠家：
STMICROELECTRONICS

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TS4975

Stereo Headphone Drive Amplifier with

Digital Volume Control via I

C Bus

鈻?/div>

Operating from V

= 2.5V to 5.5V

I虜C bus control interface

40mW output power @ Vcc=3.3V, THD=1%,

F=1kHz, with 16

鈩?/div>

load

Ultra-low consumption in stdby mode: 0.6 碌A(chǔ)

Digital volume control range from 18dB to

-34dB

14-step digital volume control

9 different output mode selections

Pop & click noise reduction circuitry

Flip-chip package 12 x 300碌m bumps (lead-

free)

Pin Out (top view)

OUT1

PHG1

PHG2

OUT2

TS4975EIJT - Flip Chip

鈻?/div>

Description

The TS4975 is a stereo audio headphone driver

capable of delivering up to 102mW per channel of

continuous average power into a 16鈩?single-

ended load with 1% THD+N from a 5V power

supply. The overall gain of these headphone

drivers is controlled digitally by volume control

registers programmed via the I虜C interface,

minimizing the number of external components

needed. This device can also easily be driven by

an MCU to select the output modes, through the

I虜C bus interface.

A phantom ground configuration allows one to

avoid using bulky capacitors on the outputs of the

headphone amplifiers.

The TS4975 is packaged into a 1.8mm X 2.3mm

Flip Chip package, ideally suited for space-

conscious portable applications.

IN1

VCC

GND

IN2

BYPASS

SCL

SDA

ADD

It has also an internal thermal shutdown

protection mechanism.

Applications

鈻?/div>

Mobile phones (cellular / cordless)

PDAs

Laptop/notebook computers

Portable audio devices

Order Codes

Part Number

TS4975EIJT

Temperature Range

-40, +85擄C

Package

Flip-chip

Packaging

Tape & Reel

Marking

A75

July 2005

Rev 2

1/33

www.st.com

標(biāo)準(zhǔn)包裝
1
類別
集成電路 (IC)
家庭
線性 - 音頻放大器
系列
-
類型
AB 類
輸出類型
耳機(jī)，2-通道（立體聲）
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量
40mW x 2 @ 16 歐姆
電源電壓
2.5 V ~ 5.5 V
特點(diǎn)
消除爆音，I²C，待機(jī)，熱保護(hù)，音量控制
安裝類型
表面貼裝
供應(yīng)商設(shè)備封裝
12-覆晶
封裝/外殼
12-UFBGA，F(xiàn)CBGA
包裝
Digi-Reel®
其它名稱
497-5199-6

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